truncheon

/T R AH1 N CH IH0 N/
noun
  1. 1

    A fragment or piece broken off from something, especially a broken-off piece of a spear or lance.

  2. 2

    The shaft of a spear.

  3. 3

    A short staff, a club; a cudgel.

  4. 4

    A baton, or military staff of command, now especially the stick carried by a police officer.

  5. 5

    A stout stem, as of a tree, with the branches lopped off, to produce rapid growth.

  6. 6

    A penis.

verb
  1. 1

    To strike with a truncheon.

Source: https://en.wiktionary.org/wiki/truncheon